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Use get() instead of pop() for the optimized version of _replace().

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Raymond Hettinger 2008-01-07 20:56:05 +00:00
parent fb3ced663d
commit f5e8af1bb7
2 changed files with 2 additions and 2 deletions
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2
Doc/library/collections.rst
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@ -531,7 +531,7 @@ faster versions that bypass error-checking and localize variable access::
>>> class Point(namedtuple('Point', 'x y')):
_make = classmethod(tuple.__new__)
def _replace(self, _map=map, **kwds):
return self._make(_map(kwds.pop, ('x', 'y'), self))
return self._make(_map(kwds.get, ('x', 'y'), self))
Default values can be implemented by using :meth:`_replace` to
customize a prototype instance::